PTEUOCYCLUS. 109 



" Operculum unknown, supposed to resemble that of ^S^. hispidum. 

 " Epidermis dark brown." (Pearson.) 



//ah. India : Shengorh, Tanir Kidge, and Toruputu, Khasi 

 Hills {Godivin-Austeii) ; Tezpur {Stoliczl-a) \ Naga Hills (OldJiam). 



Var. assamensis, Hartley 6f Theobald. 



Pteroci/chis ura/xanensif!, Bhinford, J. A. S. B. xxxiv, 1865, p. 98 



(nom. niid.). 

 Pteroci/cliis parvus, var. arakunensis, Nevill, Hand List, i, 1878, 



p. 261. 

 Pterocyclus parvus, var. arncanensix, Kobelt & Mollendorfi, Nachr. 



Ueu'ts. Malak. Ges. xxix, 1897, p. 114; id.. Oat. Pneum. 1899, 



p. 26. 

 Pteroci/clos parvus, var. assamensis, Ilanley & Theobald, Couch. 



lud. 1870, p. 56, pi. 5, fig. 3. 

 Pterocyclus parvus, var. assamensis, Kobelt & MiiUendorff, Nacbr. 



Deuts. Malak. Ges. xxix, 1897, p. 114 ; id., Cat. Pneum. 1899, 



p. 26. 



Larger than the type, measuring 19 mm. in diameter and much 

 paler in colour with tlie zig-zag markings narrower and more 

 crowded. 



Hah. India: Khasi Hills (TTieohald) ; Akyab (Blanford); 

 Chittagong (liaban). 



Nevill also mentions a var. major, from the Kbasi Hills, which 

 is pi'obahly identical witii the present variety. 



155. Pterocyclus pseiidocumingi, MoUendorff. 



Pteroci/clus ciiminf/i, var., Nevill, Hand List, i, 1876, p. 261. 

 Pterocyclus pseudocuminiji (Nevill MSS.), Mollendorff, Nachr. Deuts. 



Malak. Ges. xxi.x, 1897, p. 36; Kobelt & MGlleudortT, torn. cit. 



p. 114: id., Cat. Pneum. 1899, p. 26; Kobelt, Das Tierreich, 



Lief. 16, 1902, p. 168 ; id., Coucb.-Cab., Cvclopboridae, ii,1910, 



p. 746, pL 1C8, figs. 13-15. 



Orvjinal description: — " T. latissime umbilicata, discoidea, 

 solidula, subtiliter sstriatula, pallida lutea, strigis flammulatis 

 castaneis et taenia peripherica alba, altera castanea infra illam 

 picta. Spira vix promiuula. Anfr. 5| teretes, sutura profunda 

 impressa disjuncti, ultimus paulhim descendens. Apert. modice 

 obliqua, cireularis, peristoma duplex, internum superne valde 

 excisum, externum in alam magnam anfnictui ])eniiltimo adnatam 

 productum. Operculum intus profunde excavatum, extus lamella 

 subtestacea anfr. 7 floris instar convergentibus indutum. 



"Diam. 14-25, alt. 5 mm." {Mollendorff.) 



Hah. India : Travancore (Stoliczl-a). 



156. Pterocyclus pullatus, Benson. 



Pteroo/clos pullatus, Benson, A. M. N. II. ser. 2, xvii, 1856, p. 227 • 

 Theobald, J. A. S. B. xxvi, 1857, p. 246; Pfeiffer, Men] 

 Pueum. Suppl. 1, 1858, p. 31 ; id., Novit. Conch, ser. 1, i, 



